The rock pictured here has a vesicular texture. it is sometimes called scoria. what type of rock is this and where did it form?

Which outcome is not caused by gravitational forcea. gas and dust come together to form a planet b. planets orbit a star c. two atoms come together to form a molecule d. stars cluster to form a galaxy

Largest layer of atmosphere international space station orbits ultraviolet radiation causes ionization the phrases describe what layer of earth's atmosphere?

Select the correct answer. which of these best describes a desert climate? a. hot temperatures with large amounts of rain all year b. warm to hot temperatures all year with no wet season c. mild temperatures all year with no dry season d. hot summers and cold winters with no dry season